    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>Document</title>
    </head>
    <body>
          <div id="app"> 

   {{ message.split('').reverse().join('') }}

 </div> 

<script> 

    new Vue({ 

       el: '#app', 

       data: { message: 'hello' } 

    }) 

</script>
    </body>
    </html>